The answer would be 17.
You get 17.
17
find 75% of 10 and 75%of 8 then add them together
You add together the values and divide by the number of values.
Add together its 4 sides
Add the total of the percentages toegether then divide it by the number of results.
To calculate the energy available from a food, multiply the number of grams of carbohydrate, protein, and fat by 4,4, and 9, respectively. Then add the results together and that should be your answer.
Add the three together and divide by three.
To calculate a 3% raise, you need to multiply your current salary by .03. The amount you come up with will give you your raise. You can add these amounts together and get your total salary. Or multiply by 1.03 and save a step.
You calculate how much it rains in a month in mm (millimeters) then after 12 months you add the results up and you have your answer.
12 percent plus 20 percent equals 32 percent. To add one percentage to another simply add the numbers together and keep the percentage sign.
You calculate 0.05 percent of the volume of the base liquid, then add that amount of whatever you want to dilute in this quantity.